#include<stdio.h>
#define dprint(f, args...) \
	printf("in %s env=%p: "f, __FUNCTION__, __builtin_frame_address(1), ## args)

void
callee(int a, int b, int c, int d)
{
	int r;
	dprint("a=%d,b=%d,c=%d,d=%d\n", a,b,c,d);
	r = a+b+c+d;
	printf("r = %d\n", r);
	return;
}

void
caller1(int a, int b, int c, int d)
{
	int x,y,z,w;
	x=a, y=b;
	z=c, w=d;

	callee(x,y,z,w);
	return;
}

void
caller2(int a, int b, int c, int d)
{
	int x,y,z,w;
	x=a, y=b;
	z=c, w=d;

	callee(y,z,w,x);
	return;
}

void
caller3(int a, int b, int c, int d)
{
	callee(b,c,d,a);
	return;
}

void
caller4(int a, int b, int c, int d)
{
	callee(a+b,b+c,c+d,d+a);
	return;
}

void
caller5(int a, int b, int c, int d)
{
	int x,y,z,w;
	x = a+b;
	y = b+c;
	z = c+d;
	w = d+a;

	callee(x,y,z,w);
	return;
}

int
main (int argc, char **argv)
{
	int r;
	caller(11,22,33,44);
	//r = caller(11,22,33,44, 55,66,77,88);
}